Betty, Bimbo and Koko are joining a car race. Betty Boop is late, because she has a cold, and when she arrives she sings a song about it. In the end she wins the car race by sneezing.

Although ‘Betty Boop’s Ker-Choo’ belongs to Betty Boop’s golden era, it’s unfortunately one of Betty’s more boring cartoons. In fact, the best gags are the silly ones with which the cartoon starts. Because she wears a driver’s costume, Betty is also less sexy than usual, and somehow it seems this cartoon that points to the design used one year later, when Betty Boop fell victim of the stricter Hays code.